Added support for ESP32-C3

README.md

@@ -14,18 +14,18 @@ Use twai(Two-Wire Automotive Interface) driver instead of can driver.
 # Hardware requirements
 1. SN65HVD23x CAN-BUS Transceiver   
 
-|SN65HVD23x||ESP32|ESP32-S2||
-|:-:|:-:|:-:|:-:|:-:|
-|D(CTX)|--|GPIO21|GPIO17|(*1)|
-|GND|--|GND|GND||
-|Vcc|--|3.3V|3.3V||
-|R(CRX)|--|GPIO22|GPIO18|(*1)|
-|Vref|--|N/C|N/C||
-|CANL|--|||To CAN Bus|
-|CANH|--|||To CAN Bus|
-|RS|--|GND|GND|(*2)|
+|SN65HVD23x||ESP32|ESP32-S2|ESP32-C3||
+|:-:|:-:|:-:|:-:|:-:|:-:|
+|D(CTX)|--|GPIO21|GPIO17|GPIO9|(*1)|
+|GND|--|GND|GND|GND||
+|Vcc|--|3.3V|3.3V|3.3V||
+|R(CRX)|--|GPIO22|GPIO18|GPIO10|(*1)|
+|Vref|--|N/C|N/C|N/C||
+|CANL|--||||To CAN Bus|
+|CANH|--||||To CAN Bus|
+|RS|--|GND|GND|GND|(*2)|
 
-(*1) You can change using menuconfig.
+(*1) You can change using menuconfig. But it may not work with other GPIOs.  
 
 (*2) N/C for SN65HVD232
 
@@ -55,11 +55,11 @@ I used 150 ohms.
      |       |       |       |       |       |   
      +--^^^--+       |       |       +--^^^--+
      |   R1  |       |       |       |   R2  |   
- |---+-------|-----+-------|-----+-------|---| BackBorn H
+ |---+-------|-------+-------|-------+-------|---| BackBorn H
              |               |               |
              |               |               |
              |               |               |
- |-----------+-------------+-------------+---| BackBorn L
+ |-----------+---------------+---------------+---| BackBorn L
 
       +--^^^--+:Terminaror register
       R1:120 ohms
@@ -89,6 +89,15 @@ idf.py menuconfig
 idf.py flash
 ```
 
+# Installation for ESP32-C3
+```
+git clone https://github.com/nopnop2002/esp-idf-can2http
+cd esp-idf-can2http
+idf.py set-target esp32c3
+idf.py menuconfig
+idf.py flash
+```
+
 # Configuration
 ![config-main](https://user-images.githubusercontent.com/6020549/123870635-92a6ce00-d96d-11eb-9b67-7b6a26e95fbd.jpg)
 ![config-app](https://user-images.githubusercontent.com/6020549/123870638-94709180-d96d-11eb-94da-b4860148be6a.jpg)

main/Kconfig.projbuild

@@ -44,7 +44,7 @@ menu "Application Configuration"
 		config CTX_GPIO
 			int "CTX GPIO number"
 			range 0 34
-			default 2 if IDF_TARGET_ESP32C3
+			default 9  if IDF_TARGET_ESP32C3
 			default 17 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
 			default 21 if IDF_TARGET_ESP32
 			help
@@ -55,7 +55,7 @@ menu "Application Configuration"
 		config CRX_GPIO
 			int "CRX GPIO number"
 			range 0 34
-			default 3 if IDF_TARGET_ESP32C3
+			default 10 if IDF_TARGET_ESP32C3
 			default 18 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
 			default 22 if IDF_TARGET_ESP32
 			help

sdkconfig.defaults

@@ -1,8 +1,3 @@
-#
-# Serial flasher config
-#
-CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
-
 #
 # Partition Table
 #